Eat something. Not too much or it'll make you more tired. Caffeine is a double-edged sword. It'll keep you going for a short period of time followed by a cra

Eat something. Not too much or it'll make you more tired. Caffeine is a double-edged sword. It'll keep you going for a short period of time followed by a crash. Either drink A LOT of it throughout the day or don't drink it at all. Vitamin B can help in my experience. Go to bed.